EP 1135456 A1 20010926 - ENAMEL SAFE CLEANING PROCESS
Title (en)
ENAMEL SAFE CLEANING PROCESS
Title (de)
EMAILSCHONENDES REINIGUNGSVERFAHREN
Title (fr)
PROCEDE DE NETTOYAGE SUR DE L'EMAIL
Publication
Application
Priority
- EP 99961854 A 19991129
- EP 98870262 A 19981202
- US 9928179 W 19991129
Abstract (en)
[origin: EP1006177A1] The present invention describes a process of cleaning an enamel surface with a liquid acidic composition comprising an enamel safe acid wherein the pKa of said acid is 3.5 or higher; with the proviso that no mono-lower alkyl ethers or phenyl ethers or benzyl ethers of diethylene glycol, wherein the lower alkyl is of 2 to 6 carbon atoms, are present in said composition. The composition employed in said process is safe to enamel.
IPC 1-7
IPC 8 full level
C11D 17/08 (2006.01); C11D 3/02 (2006.01); C11D 3/04 (2006.01); C11D 3/20 (2006.01); C11D 3/43 (2006.01); C11D 7/08 (2006.01); C11D 7/26 (2006.01); C11D 7/50 (2006.01); C11D 11/00 (2006.01)
CPC (source: EP)
C11D 3/2075 (2013.01); C11D 3/2082 (2013.01); C11D 2111/14 (2024.01); C11D 2111/24 (2024.01)
Citation (search report)
See references of WO 0032737A1
Designated contracting state (EPC)
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
DOCDB simple family (publication)
EP 1006177 A1 20000607; AU 1834900 A 20000619; CA 2350770 A1 20000608; EP 1135456 A1 20010926; JP 2002531634 A 20020924; TR 200101582 T2 20011022; WO 0032737 A1 20000608; ZA 200104001 B 20020816
DOCDB simple family (application)
EP 98870262 A 19981202; AU 1834900 A 19991129; CA 2350770 A 19991129; EP 99961854 A 19991129; JP 2000585368 A 19991129; TR 200101582 T 19991129; US 9928179 W 19991129; ZA 200104001 A 20010516